Air conditioner



FIG. 1 is a perspective view showing an air conditioner, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right-side elevation view thereof; and,

FIG. 7 is a left-side elevational view thereof.

The dot-dash chain lines depict boundaries of the claimed subject matter, and thus form no part of the claimed design. The broken lines depict unclaimed parts of the industrial robot, and thus form no part of the claimed design. 

CLAIM The ornamental design for an air conditioner, as shown and described. 